Gold: Skip zero-sized sections for ICF
[binutils-gdb.git] / gold / ChangeLog
index f4679f9a6468b81e7aff8fa50bf43db780505074..0300722c3a6eecbe879afe9f54570d6b06b1f007 100644 (file)
@@ -1,3 +1,159 @@
+2020-10-13  H.J. Lu  <hongjiu.lu@intel.com>
+
+       * icf.cc (Icf::find_identical_sections): Skip zero-sized sections.
+
+2020-10-09  Alan Modra  <amodra@gmail.com>
+
+       * powerpc.cc (Powerpc_relobj::do_relocate_sections): Don't do
+       local entry offset optimisation for lplt_section.
+       (Target_powerpc::Branch_info::make_stub): Don't add local
+       entry offset to long branch dest passed to
+       add_long_branch_entry.  Do pass st_other bits.
+       (Stub_table::Branch_stub_ent): Add "other_" field.
+       (Stub_table::add_long_branch_entry): Add "other" param, and
+       save.
+       (Stub_table::branch_stub_size): Adjust long branch offset.
+       (Stub_table::do_write): Likewise.
+       (Target_powerpc::Relocate::relocate): Likewise.
+
+2020-10-09  Alan Modra  <amodra@gmail.com>
+
+       * powerpc.cc (is_got_reloc): New function.
+       (Target_powerpc::Relocate::relocate): Use it here, exclude GOT
+       relocs when looking for stubs.
+
+2020-10-08  H.J. Lu  <hongjiu.lu@intel.com>
+
+       * testsuite/split_i386.sh: Updated for --split-stack-adjust-size
+       default change.
+       * testsuite/split_x86_64.sh: Likewise.
+
+2020-10-08  Alan Modra  <amodra@gmail.com>
+
+       * options.h (split_stack_adjust_size): Default to 0x100000.
+
+2020-09-26  Alan Modra  <amodra@gmail.com>
+
+       * powerpc.cc (Target_powerpc): Rename power10_stubs_ to
+       power10_relocs_.
+       (Target_powerpc::set_power10_relocs): New accessor.
+       (Target_powerpc::set_power10_stubs): Delete.
+       (Target_powerpc::power10_stubs): Adjust.
+       (Target_powerpc::has_localentry0): New accessor.
+       (ld_0_11): New constant.
+       (glink_eh_frame_fde_64v1, glink_eh_frame_fde_64v2): Adjust.
+       (glink_eh_frame_fde_64v2_localentry0): New.
+       (Output_data_glink::pltresolve_size): Update.
+       (Output_data_glink::add_eh_frame): Use localentry0 version eh_frame.
+       (Output_data_glink::do_write): Move r2 save to start of ELFv2 stub
+       and only emit for has_localentry0.  Don't use r2 in the stub.
+       (Target_powerpc::Scan::local, global): Adjust for
+       set_power10_relocs renaming.
+       (Target_powerpc::scan_relocs): Warn and reset plt_localentry0_.
+
+2020-09-24  Alan Modra  <amodra@gmail.com>
+
+       * powerpc.cc (Target_powerpc::Relocate::relocate): Don't skip
+       first insn of __tls_get_addr_opt stub.
+
+2020-08-24  Alan Modra  <amodra@gmail.com>
+
+       * powerpc.cc (Target_powerpc): Add tprel_opt_ and accessors.
+       (Target_powerpc::Scan::local): Sanity check tprel high relocs.
+       (Target_powerpc::Scan::global): Likewise.
+       (Target_powerpc::Relocate::relocate): Control tprel optimisation
+       with tprel_opt_ and enable for 32-bit.
+
+2020-08-12  Nick Clifton  <nickc@redhat.com>
+
+       * po/sr.po: Updated Serbian translation.
+
+2020-07-27  Alan Modra  <amodra@gmail.com>
+
+       * options.h (DEFINE_enum): Add optional_arg__ param, adjust
+       all uses.
+       (General_options): Add --power10-stubs and --no-power10-stubs.
+       * options.cc (General_options::parse_no_power10_stubs): New.
+       (General_options::finalize): Handle --power10-stubs.
+       * powerpc.cc (set_power10_stubs): Don't set when --power10-stubs=no.
+       (power10_stubs_auto): New.
+       (struct Plt_stub_ent): Add toc_ and tocoff_.  Don't use a bitfield
+       for indx_.
+       (struct Branch_stub_ent): Add toc_and tocoff_.  Use bitfields for
+       iter_, notoc_ and save_res_.
+       (add_plt_call_entry): Set toc_.  Adjust resizing conditions for
+       --power10-stubs=auto.
+       (add_long_branch_entry): Set toc_.
+       (add_eh_frame, define_stub_syms): No longer use const_iterators
+       for plt and long branch stub iteration.
+       (build_tls_opt_head, build_tls_opt_tail): Change parameters and
+       return value.  Move tests for __tls_get_addr to callers.
+       (plt_call_size): Handle --power10-stubs=auto.
+       (branch_stub_size): Likewise.
+       (Stub_table::do_write): Likewise.
+       (relocate): Likewise.
+
+2020-07-19  H.J. Lu  <hongjiu.lu@intel.com>
+
+       * testsuite/bnd_ifunc_1.sh: Updated.
+       * testsuite/bnd_plt_1.sh: Likewise.
+       * testsuite/split_x32.sh: Likewise.
+       * testsuite/split_x86_64.sh: Likewise.
+       * testsuite/x86_64_indirect_call_to_direct.sh: Likewise.
+
+2020-07-08  Nick Clifton  <nickc@redhat.com>
+
+       * testsuite/script_test_7.sh: Adjust expected address of the .bss
+       section.
+       * testsuite/script_test_9.sh: Do not expect the .init section to
+       immediately follow the .text section in the mapping of sections to
+       segments.
+
+2020-07-07  Nick Clifton  <nickc@redhat.com>
+
+       * target-reloc.h: (Default_comdat_behaviour:get): Ignore discarded
+       relocs that refer to the .gnu.build.attributes section.
+
+2020-07-06  Nick Clifton  <nickc@redhat.com>
+
+       * po/fr.po: Updated French translation.
+       * po/uk.po: Updated Ukranian translation.
+
+2020-07-04  Nick Clifton  <nickc@redhat.com>
+
+       Binutils 2.35 branch created.
+
+2020-07-03  Alan Modra  <amodra@gmail.com>
+
+       PR 26028
+       * testsuite/Makefile.am (file_in_many_sections.stdout): Add -W
+       to readelf options.
+       * testsuite/Makefile.in: Regenerate.
+
+2020-06-26  Nick Alcock  <nick.alcock@oracle.com>
+
+       * configure.ac: Check for bswap_16, bswap_32, and bswap_64 decls.
+       * configure: Regenerated.
+       * config.h.in: Likewise.
+
+2020-06-24  Nick Clifton  <nickc@redhat.com>
+
+       * target-reloc.h (issue_discarded_error): Initialise the
+       key_symndx variable.
+
+2020-06-23  Roland McGrath  <mcgrathr@google.com>
+
+       PR 22843
+       * options.h (class General_options): Add --dependency-file option.
+       * fileread.cc (File_read::files_read): New static variable.
+       (File_read::open): Add the file to the files_read list.
+       (File_read::record_file_read): New static member function.
+       (File_read::write_dependency_file): New static member function.
+       * fileread.h (class File_read): Declare them.
+       * layout.cc (Layout::read_layout_from_file): Call record_file_read.
+       (Close_task_runner::run): Call write_dependency_file if
+       --dependency-file was passed.
+
 2020-06-18  Fangrui Song  <i@maskray.me>
 
        PR gold/26039